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Community Water System · PWS MO3238042

Osage Beach Harbor Subd

Eldon, Missouri 65026-0000 - drinking water served from groundwater sources to 230 people, tracked in EPA SDWIS and UCMR5.

230
People served
95
EPA violations
16
Health-based
Untested
UCMR5 result

The verdict

EPA records 95 drinking-water violations at Osage Beach Harbor Subd, 17% of them health-based - above the Missouri per-system average.

95
Total EPA violations on record
17%
Health-based (MCL / treatment failure)
230
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Osage Beach Harbor Subd

Osage Beach Harbor Subd is a private-owned community water system that delivers drinking water to 230 residents in Eldon, Missouri (Camden County) through 69 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 95 total violations for this system , of which 16 (17%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 61 monitoring and reporting violations are on file. The most recent violation on record dates to 2025.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 57 violations (MR). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across Missouri, EPA tracks 2,823 public water systems serving 5,855,885 people, with 201,695 cumulative violations and 54,821 health-based violations on record. About 95% of systems in the state carry at least one violation, and state-wide the average per system is 71.4 violations. Statewide, 162 of 230 UCMR5-tested systems have reported PFAS detections (70.4%).

Osage Beach Harbor Subd's 95 violations sit above the Missouri average.

All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

Population Served
230
Total Violations
95
Health-Based Violations
16
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
69
County
Camden
School/Daycare
No
MCL Violations
16
Monitoring Violations
61
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 57 1997
Coliform (TCR) MCL 16 2014
Consumer Confidence Rule Other 7 2025
Lead and Copper Rule MR 4 2009
Revised Total Coliform Rule RPT 3 2024
LEAD AND COPPER RULE REVISIONS RPT 2 2024
Public Notice Other 1 2025

Verify This Water System

The figures above are aggregated from EPA's public databases. To verify the underlying records, or to file a complaint, request a Consumer Confidence Report, or check current monitoring status, go directly to the federal and state regulators that enforce the Safe Drinking Water Act for Osage Beach Harbor Subd.

Federal Source of Truth

EPA SDWIS, Federal Reports

EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:

View PWS ID MO3238042 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Missouri Drinking Water Authority

Missouri DNR, Public Drinking Water Branch is the primacy agency that licenses and inspects Osage Beach Harbor Subd under EPA-delegated authority.

Open MO regulator portal

Source: Missouri DNR, Public Drinking Water Branch

Violation Timeline

Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.

Year (latest) Contaminant Category Count EPA Record
2025 Consumer Confidence Rule Other 7 SDWIS / MO3238042 / 7000
2025 Public Notice Other 1 SDWIS / MO3238042 / 7500
2024 Revised Total Coliform Rule RPT 3 SDWIS / MO3238042 / 8000
2024 LEAD AND COPPER RULE REVISIONS RPT 2 SDWIS / MO3238042 / 5200
2014 Coliform (TCR) MCL 16 SDWIS / MO3238042 / 3100
2009 Lead and Copper Rule MR 4 SDWIS / MO3238042 / 5000
1997 Coliform (TCR) MR 57 SDWIS / MO3238042 / 3100

How Osage Beach Harbor Subd Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric Osage Beach Harbor Subd Missouri avg Federal benchmark
Total violations 95 71.4 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 16 19.4 Indicates a contaminant exceeded a federal MCL
PFAS detection None 70.4% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 230 2,074 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 2,823 regulated public water systems in Missouri.

Federal MCL reference, Safe Drinking Water Act thresholds ▼
Contaminant Federal MCL / Action Level Note
Lead 0 mg/L (Action Level: 0.015 mg/L) Lead and Copper Rule treatment technique
Arsenic 0.010 mg/L (10 ppb) Health-based MCL since 2006
Total Coliform Treatment technique (RTCR) Indicator organism, monitoring trigger
PFOA / PFOS (PFAS) 4.0 ppt each (final 2024 rule) Compliance deadline 2029 (EPA proposed extending to 2031, not yet final as of May 2026)
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is Osage Beach Harbor Subd water safe to drink? ▼
Osage Beach Harbor Subd (PWS ID: MO3238042) has 95 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 230 people using Groundwater sources.
How many people does Osage Beach Harbor Subd serve? ▼
Osage Beach Harbor Subd serves 230 people in Eldon, Missouri. It is a Private-owned system using Groundwater water sources with 69 service connections.
What type of violations does Osage Beach Harbor Subd have? ▼
Osage Beach Harbor Subd has 95 total violations: 16 health-based violations (MCL exceedances or treatment failures), 61 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Osage Beach Harbor Subd water? ▼
No PFAS testing data is available for Osage Beach Harbor Subd under the EPA's UCMR5 monitoring program.
What water source does Osage Beach Harbor Subd use? ▼
Osage Beach Harbor Subd uses Groundwater as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.
Where does this data come from? ▼
All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This system's figures are rendered directly from EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.